Num b = 3;
Num a = (123+4)*4/b;

FUNC add(Num f, Num g)
    printf("this is add function");
    RETURN f+div(f,g);
END FUNC::Num

FUNC div(Num f, Num g)
    RETURN f-g;
    printf("this is div function");
END FUNC::Num

Str name="yuan_rui";
b = 3;
Num c = add(2,2);
printf("c=", c );

IF c>0 THEN
    printf("trun");
ELSE
    printf("false");
END IF

Num e[3]=[1,2,3];
WHILE c>=0 THEN
    printf("e[", c ,"]=", e[c]);
    c = c-1;
END WHILE
Num f[2][3];
f[0] = e;

printf("f[0][0]=", f[0][0]);